Recent content by maude

boiler fails to light on hot water some times red light comes on turn off then back on and works fine all day heating fine

thankyou for the replys just to update you: after boiler locking out a few times from the first fault, the pilot light now wont stay a light. had a look at the diverter valve and the small pin cover was off but still inside the microswitch housing. have put it back on and since this the pilot...

hi has anybody got a fault finding chart for ravenheat rsf 820 20 !! . pilot light and main burner on low when no call for heat or h water ? then lockes out as to hot as pump not runing